Director/PDMR Shareholding

Tullow Oil PLC
05 July 2006

Tullow Oil PLC

5 July 2006



                   Tullow Oil plc ('Tullow' or 'the Company')


                               Director Dealings


The Company announces details of the following dealings in ordinary shares of
10p each ('Ordinary Shares') by the undermentioned directors of the Company:



A.          On 4 July 2006, Matthew O'Donoghue, General Manager Projects and an
executive director of Tullow, exercised options over 98,072 Ordinary Shares
which were granted on 5 July 1996 under the terms of the Tullow 1988 Executive
Share Option Scheme and which were exercisable up to 4 July 2006. These options
had an exercise price of EUR 0.9872 per Ordinary Share. On 5 July 2006, Mr
O'Donoghue sold 32,658 Ordinary Shares at 388p per share to fund the tax arising
on the gain on exercise of the options.



     Following these transactions, Mr O'Donoghue now holds 1,889,771 Ordinary
Shares representing 0.29% per cent of the Company's issued share capital.



B.          On 5 July 2006, David Williams, a non-executive director of Tullow,
purchased 5,000 Ordinary Shares at 388p per share. Following this transaction Mr
Williams holds 5,000 Ordinary Shares representing 0.0008% per cent of the
Company's issued share capital.



The exercise and sale of the above options and Ordinary Shares was executed in
the UK and this notification relates to transactions notified in accordance with
Disclosure Rule 3.1.4R(1)(a) and Disclosure Rule 3.1.4(R)(1)(b) a disclosure
made in accordance with section 324 (as extended by section 328) of the
Companies Act 1985.





Inquiries

Tom Hickey

Tullow Oil plc

+ 44 208 996 1000


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